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propensive's profile
Jon Pretty
Jon Pretty
Jon Pretty
@propensive

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Jon Pretty

@propensive

Supporting Scala through professional training and open-source software. Responsible for Magnolia, Fury, Scala World and Functional Africa.

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propensive.com
Joined July 2010

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    1. Zdenek Farana‏ @byFcz 26 Nov 2014

      @propensive hey, any easy way how to json Map[String,Any]? It has its use cases (i.e. my use case is writing own string interpolator)

      2 replies 0 retweets 0 likes
    2. Jon Pretty‏ @propensive 26 Nov 2014
      Replying to @byFcz

      @byFcz In the first case you get the types of the underlying JSON representation (backend dependent). The latter case needs more extraction.

      1 reply 0 retweets 0 likes
    3. Jon Pretty‏ @propensive 26 Nov 2014
      Replying to @propensive

      @byFcz Careful when extracting `Any` though, as it means your implementation becomes backend-dependent. I'd go with `.as[Map[String,Json]]`.

      1 reply 0 retweets 0 likes
    4. Zdenek Farana‏ @byFcz 26 Nov 2014
      Replying to @propensive

      @propensive I need the serialization, i.e. json"""{"something":${Map("a"->1,"b"->"string")}}""" - am I'm missing something?

      1 reply 0 retweets 0 likes
    5. Zdenek Farana‏ @byFcz 26 Nov 2014
      Replying to @byFcz

      @propensive I've got in a case class actually, like case class A(someParam: String, mapParam: Map[String,Any]) and then using it in json""

      2 replies 0 retweets 0 likes
    6. Jon Pretty‏ @propensive 26 Nov 2014
      Replying to @byFcz

      @byFcz The reason is that the compiler can't resolve type-specific serializers when it doesn't know anything about the types (they're `Any`)

      1 reply 0 retweets 0 likes
    7. Zdenek Farana‏ @byFcz 26 Nov 2014
      Replying to @propensive

      @propensive Compiling Map[String,Any](...) mapValues Json(_) says "diverging implicit expansion" (interpolator parts are returned as Any)

      4 replies 0 retweets 0 likes
      Jon Pretty‏ @propensive 26 Nov 2014
      Replying to @byFcz

      @byFcz I actually use the `ForcedConversion[Json]` type for exactly this in Rapture JSON, though it's not really part of the public API...

      9:13 AM - 26 Nov 2014
      0 replies 0 retweets 0 likes

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